Sherron Williams promoted to Chief Underwriting Officer of Professional Liability Unit in Bermuda

Hamilton, BermudaThu May 27, 2004 —
HAMILTON, BERMUDA - May 27, 2004 - XL Insurance (Bermuda) Ltd ("XLIB"), a subsidiary of XL Capital Ltd (NYSE:XL) ("XL"), today announced that Mrs. Sherron Williams has been promoted to Chief Underwriting Officer of its Bermuda-based professional liability business.Mrs. Williams, a Bermudian, will assume her new position with effect from June 1, replacing Mr. Paul Miller, who has decided to transition out of his Bermuda role by end of the year. In her new role, Mrs. Williams will be responsible for overseeing XLIB's second largest portfolio of business and a team of 17.Mr. Don Baker, Executive Vice President of XL Insurance (Bermuda) Limited, said: "Sherron has been a dedicated and valuable member of the professional liability team for the past 13 years. This promotion recognizes not only her hard work and technical expertise but also the strong leadership qualities she possesses. We are pleased that Sherron will lead the Bermuda professional liability underwriting operation, which is a core part of our insurance business in Bermuda."Mrs. Williams has served with XLIB since 1991, starting as a Trainee Underwriter in the Professional Liability department. She became Assistant Vice President in 1995, and was subsequently appointed to Vice President in December 1997. More recently, in February 2002, she was named Senior Vice President and Deputy Chief Underwriter, Professional Liability. Mrs. Williams holds a Masters degree in Business Administration from York University in Toronto, Ontario and a Bachelors of Commerce from St. Mary's University in Halifax, Nova Scotia.XL Insurance (Bermuda) Ltd, a Bermuda-based subsidiary of XL Capital Ltd (NYSE:XL), focuses on large corporate risks and professional lines. XL Capital Group Ltd, through its operating subsidiaries, is a leading provider of insurance and reinsurance coverages and financial products and services to industrial, commercial and professional service firms, insurance companies, and other enterprises on a worldwide basis. As of March 31, 2004, XL Capital Ltd had consolidated assets of approximately $44 billion and consolidated shareholders' equity of approximately $7.4 billion. More information about XL Capital Ltd is available at www.xlgroup.com.